Decomposition factor: a4-2a2b2 + B4

a4-2a2b2+b4，=（a2-b2）2，=（a+b）2（a-b）2．

RELATED INFORMATIONS

1. If A.B.C is three sides of a triangle, then the value of A4 + B4 + c4-2a2b2-2b2c2-2a2c2 is a. positive B. negative C. positive or negative D. non negative
2. Group A: 1, 6, 7, 12, 13, 18 Group B: 2, 5, 8, 11, 14, 17 Group C: 3, 4, 9 Divide the natural numbers from 1 to 200 into ABC three groups. Group A: 1, 6, 7, 12, 13, 18 Group B: 2, 5, 8, 11, 14, 17 Group C: 3, 4, 9, 10, 15, 16 Please answer the questions according to the grouping rules. 1. There are () natural numbers in group B. 2. What is the 28th number in group A?
3. Divide the natural numbers 5 ~ 300 into three groups ABC a) 5 10 11 16 17 22.. b) 6 9 12 15 18 21.. C) 7 8 13 14 19 20.. ask how many numbers each group has Divide natural numbers 5 ~ 300 into three groups ABC a) 5 10 11 16 17 22.. b) 6 9 12 15 18 21.. C) 7 8 13 14 19 20.. how many numbers are there in each group?
4. Group A: 1, 6, 7, 12, 13, 18, 19 Group B: 2, 5, 8, 11, 14, 17, 20 Group C: 3, 4, 9, 10, 15, 16, 21 Then (1) in group B, there were two groups______ (2) the 600th number in group A is______ (3) 1000 is______ The third in the group______ The number of them
5. ABC three different natural numbers, and satisfy 1 / A + 1 / B + 1 / C = 5 / 6 To list
6. ABC are all non-zero natural numbers. A is less than B is less than C. please put the three numbers in the order of big to small
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9. English translation What do you say about "a segment" of the movie? One begins with C and one begins with E
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11. Given that a, B, C and D are mutually unequal integers, and ABCD = 9, then the value of a + B + C + D is equal to () A. 0b. 4C. 8D
12. For positive integers a, B, a △ B is equal to the sum of B consecutive positive integers starting from a, such as 2 △ 3 = 2 + 3 + 4 = 9, or 5 △ 4 = 5 + 6 + 7 + 8 = 26, if 1 △ χ = 15
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14. Let a = {x | X be a positive integer less than 9}, B = {1,2,3}, C = {3.4.5.6.}, find AUB, a ∩ C, a ∩ BUC, Au (B ∩ C)
15. Let a = {x | X be a positive integer less than 9}, B = {1,2,3} + C = {3,4,5,6}, find a ∩ B, a ∩ C, a ∩ (B ∪ C), a ∪ (B ∩ C)
16. If a.b.c.d is an unequal integer and ABCD = 9, find the value of a + B + C + D Mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
17. Given that a, B, C and D are mutually unequal integers, and ABCD = 9, then the value of a + B + C + D is equal to () A. 0b. 4C. 8D
18. The values of integers a, B, C satisfying (8 / 25) ^ (- a) * (9 / 2) ^ (- b) * (5 / 3) ^ (- C) = 18
19. If a and B are positive integers, and 5A + 3B = 70, then the values of a and B satisfying the formula have () pairs. A.2. B.3. C.4. D.5
20. Let a = {x x is a positive integer less than 9}, B = {1,2,3}, C = {3,4,5,6}, then: 1, a intersection B = 2, a intersection C= 3. A-join (b-join C) = 4, a-join (b-join C)=